@itemize
@item
This header file is missing on some platforms:
-mingw, BeOS.
+mingw, MSVC 9, BeOS.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
+@item
+This header file does not defined @code{nfds_t} on some platforms:
+IRIX 5.3.
@end itemize